Compare 28081 vs 28643
| Property | 28081 | 28643 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 280811 | 286431 |
| Prime factorization | 28081 | 28643 |
| Divisors count | 2 | 2 |
| Divisors | 1, 28081 | 1, 28643 |
| Number of properties | 7 | 10 |
| Additive primes | 1403rd | 1424th |
| Happy primes | 493rd | 504th |
| Harmonic primes | 1165th | |
| Isolated primes | 2172nd | 2208th |
| Primes | 3063rd | 3119th |
| Pythagorean primes | 1526th | |
| Safe primes | 255th | |
| Sexy primes (1st member) | 905th | 917th |
| Sophie germain primes | 430th | |
| Super primes | 444th | |
| Ulam primes | 234th | 237th |
| Roman numberals | ||
| Base 2 | 1101101101100012 | 1101111111000112 |
| Base 3 | 11021120013 | 11100212123 |
| Base 4 | 123123014 | 123332034 |
| Base 5 | 13443115 | 14040335 |
| Base 6 | 3340016 | 3403356 |
| Base 7 | 1446047 | 1463367 |
| Base 8 | 666618 | 677438 |
| Base 9 | 424619 | 432559 |
| Base 10 | 2808110 | 2864310 |
| Base 11 | 1a10911 | 1a57a11 |
| Base 12 | 1430112 | 146ab12 |
| Base 13 | ca2113 | 1006413 |
| Base 14 | a33b14 | a61d14 |
| Base 15 | 84c115 | 874815 |
| Base 16 | 6db116 | 6fe316 |